mirror of
https://github.com/cloudnative-pg/plugin-barman-cloud.git
synced 2026-03-09 12:12:21 +01:00
f35f87285c
Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com> Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
111 lines
4.3 KiB
Docker
111 lines
4.3 KiB
Docker
# Sidecar
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# The container needs to provide and build two components:
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# * barman-cloud
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# * instance plugin
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# Both components are built before going into a distroless container
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# Build the manager binary
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FROM --platform=$BUILDPLATFORM golang:1.26.1 AS gobuilder
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ARG TARGETOS
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ARG TARGETARCH
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WORKDIR /workspace
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COPY ../go.mod go.mod
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COPY ../go.sum go.sum
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# cache deps before building and copying source so that we don't need to re-download as much
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# and so that source changes don't invalidate our downloaded layer
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RUN go mod download
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ENV GOCACHE=/root/.cache/go-build
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ENV GOMODCACHE=/go/pkg/mod
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COPY ../cmd/manager/main.go cmd/manager/main.go
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COPY ../api/ api/
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COPY ../internal/ internal/
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# Build Go binary for target platform (TARGETOS/TARGETARCH)
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# Docker BuildKit sets these based on --platform flag or defaults to the build host platform
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RUN --mount=type=cache,target=/go/pkg/mod --mount=type=cache,target=/root/.cache/go-build \
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CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH} go build -a -o manager cmd/manager/main.go
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# Build Python virtualenv with all dependencies
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FROM debian:trixie-slim AS pythonbuilder
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WORKDIR /build
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# Install postgresql-common and setup pgdg repository first
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RUN apt-get update && \
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apt-get install -y --no-install-recommends postgresql-common && \
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/usr/share/postgresql-common/pgdg/apt.postgresql.org.sh -y
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# Install build dependencies
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RUN apt-get update && \
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apt-get install -y --no-install-recommends \
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python3 \
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python3-venv \
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python3-dev \
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build-essential \
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libpq-dev \
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liblz4-dev \
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libsnappy-dev
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COPY containers/sidecar-requirements.txt .
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# Create virtualenv and install dependencies
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RUN python3 -m venv /venv && \
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/venv/bin/pip install --upgrade pip setuptools wheel && \
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/venv/bin/pip install --no-cache-dir -r sidecar-requirements.txt
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# Download and extract runtime library packages and their dependencies
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# Using apt-cache to automatically resolve dependencies, filtering out packages
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# already present in the distroless base image.
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# Distroless package list from: https://github.com/GoogleContainerTools/distroless/blob/main/base/config.bzl
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# and https://github.com/GoogleContainerTools/distroless/blob/main/python3/config.bzl
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RUN mkdir -p /dependencies /build/downloads && \
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cd /build/downloads && \
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DISTROLESS_PACKAGES="libc6 libssl3t64 libzstd1 zlib1g libgcc-s1 libstdc++6 \
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libbz2-1.0 libdb5.3t64 libexpat1 liblzma5 libsqlite3-0 libuuid1 \
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libncursesw6 libtinfo6 libcom-err2 libcrypt1 libgssapi-krb5-2 \
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libk5crypto3 libkeyutils1 libkrb5-3 libkrb5support0 libnsl2 \
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libreadline8t64 libtirpc3t64 libffi8 libpython3.13-minimal \
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libpython3.13-stdlib python3.13-minimal python3.13-venv" && \
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apt-cache depends --recurse --no-recommends --no-suggests \
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--no-conflicts --no-breaks --no-replaces --no-enhances \
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$DISTROLESS_PACKAGES 2>/dev/null | grep "^\w" | sort -u > /tmp/distroless.txt && \
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apt-cache depends --recurse --no-recommends --no-suggests \
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--no-conflicts --no-breaks --no-replaces --no-enhances \
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libpq5 liblz4-1 libsnappy1v5 2>/dev/null | grep "^\w" | sort -u | \
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grep -v -F -x -f /tmp/distroless.txt > /tmp/packages.txt && \
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apt-get download $(cat /tmp/packages.txt) && \
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for deb in *.deb; do \
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dpkg -x "$deb" /dependencies; \
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done
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# Final sidecar image using distroless base for minimal size and fewer packages
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FROM gcr.io/distroless/python3-debian13:nonroot
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ENV SUMMARY="CloudNativePG Barman plugin" \
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DESCRIPTION="Container image that provides the barman-cloud sidecar" \
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PATH="/venv/bin:$PATH"
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LABEL summary="$SUMMARY" \
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description="$DESCRIPTION" \
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io.k8s.display-name="$SUMMARY" \
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io.k8s.description="$DESCRIPTION" \
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name="CloudNativePG Barman plugin sidecar" \
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vendor="CloudNativePG Contributors" \
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url="https://cloudnative-pg.io/" \
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version="" \
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release="1"
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COPY --from=pythonbuilder /venv /venv
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COPY --from=pythonbuilder /dependencies/usr/lib /usr/lib
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COPY --from=gobuilder /workspace/manager /manager
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# Compile all Python bytecode as root to avoid runtime compilation
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USER 0:0
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RUN ["/venv/bin/python3", "-c", "import sysconfig, compileall; compileall.compile_dir(sysconfig.get_path('stdlib'), quiet=1); compileall.compile_dir('/venv', quiet=1)"]
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USER 26:26
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ENTRYPOINT ["/manager"]
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